v3.26.1
Derivative Financial Instruments and Hedging Activities - Schedule of Effect of Derivatives As Hedges, Net of Applicable Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Accumulated Other Comprehensive (Gain) Loss     $ (1,955.3)  
Amount of (Gain) Loss Recognized in Other Comprehensive Loss on Derivatives $ (4.1) $ 1.6 (8.4) $ 5.6
Ending Accumulated Other Comprehensive (Gain) Loss (2,021.7)   (2,021.7)  
Unrealized Hedging (Losses) Gains        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Amount of net related income tax expense (benefit) 0.2 0.7 0.4 1.6
Unrealized Hedging (Losses) Gains | Location, Statement of Other Comprehensive Income, Balance [Axis]: us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Deferred income tax expense (benefit) 1.5 (0.8) 3.2 (2.0)
Unrealized Hedging (Losses) Gains | Location, Statement of Other Comprehensive Income, Balance [Axis]: us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Deferred income tax expense (benefit) 1.0 (4.6) (0.5) (2.5)
Cash Flow Hedging | Unrealized Hedging (Losses) Gains | Interest rate cash flow hedges        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Accumulated Other Comprehensive (Gain) Loss (2.5) (15.8) 1.3 (25.2)
Amount of (Gain) Loss Recognized in Other Comprehensive Loss on Derivatives (4.1) 1.6 (8.4) 5.6
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Statement of Operations 0.5 5.6 1.0 11.0
Ending Accumulated Other Comprehensive (Gain) Loss $ (6.1) $ (8.6) $ (6.1) $ (8.6)